Two clubs at Green’s Landing

It was a large, enthusiastic group of all ages from two local clubs that gathered on August 9th to trek into Green’s Landing on a fossil hunt.  Stephen Mayer led the Wayne County Gem and Mineral Club contingent while Dan Krisher (also a WCGMC member) led the Rochester Academy of Science Fossil Group.  The total group numbered 27 with about an equal number from each organization.  It was a wonderful way for folks in each group to meet fellow fossil enthusiasts while doing what they enjoy most, digging in the Middle Devonian.  And Green’s Landing was ready for us with as diverse and prolific assemblage of fossils as one could imagine.

The benefit of attending a field trip with someone who has done their M.S. Geology thesis in the area is actually knowing what you are collecting and what unit you are collecting it from.  At Green’s Landing we traipsed upstream through several marker units in the Wanakah member of the Ludlowville Formation and then were able to isolate and collect from each fossil bearing unit in the Jaycox member because Stephen Mayer could identify them and their fossil assemblages.

Detailed stratigraphy and marker fossils in the Jaycox member at Green’s Landing (from Mayer et. al., 1994)

Detailed stratigraphy and marker fossils in the Jaycox member at Green’s Landing (from Mayer et. al., 1994)

References:

Mayer, S. M, Baird, G.C., and Brett, C.E., 1994, Correlation of facies divisions in the uppermost Ludlowville (Givetian) across western and central New York State, NY State Museum Bulletin 481, p. 229-264.

The creek at Green’s Landing is privately owned and not accessible without permission of the land owner.

And now some pictures of the day’s finds.

How about that for a Naticonema lineata gastropod!

How about that for a Naticonema lineata gastropod!

 

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All these brachiopods in one matrix piece!  The trilobite is a separate piece.

All these brachiopods in one matrix piece! The trilobite is a separate piece.

And a close-up of some Eridophyllum subcaespitosum, or finger coral for short.

And a close-up of some Eridophyllum subcaespitosum, or finger coral for short.

 

All these brachiopods in one matrix piece!  The trilobite is a separate piece.

All these brachiopods in one matrix piece! The trilobite is a separate piece.

 

Favosites argus colonial coral.  Specimen on the left shows the internal costae while the whole specimen on the right displays the external polygonal corallites.

Favosites argus colonial coral. Specimen on the left shows the internal costae while the whole specimen on the right displays the external polygonal corallites.

 

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